do not focus on the first field?

I have a vertical field Manager (MA). At the bottom of MY, there is a horizontal field Manager (MB) that contains three fields of image. MY contains also some other areas beyond Mo. When the cursor moves to the MB from the top, the first image field always gets the focus.  I would like to focus on a different image inside MB field, according to field above MB wore before the development moving in MB.

What would be a good way to do it?

Thank you.

One of the ways would be to substitute onFocus on the MB:

protected void onFocus(int direction) {
  // put the code determining which field to focus here...
  final Field fieldToFocus = <...>;

  // ...then use it - notice the invokeLater, it's important!
  UiApplication.getUiApplication().invokeLater(new Runnable() {
    public void run() {
      fieldToFocus.setFocus();
    }
  });
}

Implement your own logic in determinimg that the field of focus first.

There is a possibility that the focus obviously will be from the first field in your choice, but even if it does, the change will be fast. More likely, the visual indication will go straight to the field chosen by you. And if you add a NullField these three images before and after, there will not be any Visual "break" at all.

Tags: BlackBerry Developers

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